Best Time to Fly ATL to FSD: On-Time Stats by Hour & Airline
Hartsfield-Jackson Atlanta International → Joe Foss Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 77.8% of Atlanta (ATL) to Sioux Falls (FSD) flights arrived on time (365 scheduled flights). That is in line with the national average of 77.6%.
Delta Air Lines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (80% on time) and July the worst month (46%).
The cancellation rate was 0.8% (US average 1.8%).
ATL to FSD on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Lines | 77.8% | 56 min | 0.8% | 365 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ATL to FSD
On-time arrival % by scheduled departure hour (local time), 730 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 3pm–4pm | Limited data | 2 | |
| 6pm–7pm | 67.1% | 0.0% | 86 |
| 7pm–8pm | 82.3% | 0.0% | 34 |
| 8pm–9pm | 86.5% | 1.9% | 54 |
| 9pm–10pm | 74.7% | 1.2% | 512 |
| 10pm–11pm | 63.4% | 2.4% | 42 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ATL to FSD
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 62.0% | -15.5 pts | 1.6% | 124 |
| All other days | 77.5% | — | 1.1% | 562 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).